Jiahao Cao

Jiahao Cao Ph.D.
Computer Science and Technology
Tsinghua University
Beijing, P.R. China

Please visit my new website: https://sites.google.com/view/jiahaocao


  • Dec. 2018 to Dec. 2019: visiting scholar, Center for Secure Information Systems (CSIS), George Mason University
    • Advisor: Prof. Kun Sun
  • 2015 to 2020: Ph.D. degree, Department of Computer Science & Technology, Tsinghua University
    • Advisor: Prof. Mingwei Xu
  • 2011 to 2015: B.Sc degree, Department of Information and Communication Engineering, Beijing University of Posts and Telecommunications

Research Projects

  • Vulnerability Discovery in SDN

Research Interests

I am broadly interested in security research related to networking systems. My current interests mainly focus on the following domains:
  • Security for Software-Defined Networking (SDN)
  • Network Traffic Analysis (NTA)
  • Security for Container Networking


Conference Paper
  • Shu Wang, Jiahao Cao*, Xu He, Kun Sun, and Qi Li*. “When the Differences in Frequency Domain are Compensated: Understanding and Defeating Modulated Replay Attacks on Automatic Speech Recognition”. To appear in ACM Conference on Computer and Communications Security (CCS), Orlando, USA, November 9-13, 2020. (Top Security Conference, CCF A)
  • Shu Wang, Jiahao Cao*, Kun Sun, and Qi Li*. "SIEVE: Secure In-Vehicle Automatic Speech Recognition Systems." In Proc. of the 23rd International Symposium on Research in Attacks, Intrusions and Defenses (RAID 2020), Donostia / San Sebastian, Spain, October 14-16, 2020. (Acceptance Ratio: 25.6%=31/121, CCF B )
  • Jiahao Cao, Renjie Xie, Kun Sun, Qi Li, Guofei Gu, and Mingwei Xu. "When Match Fields Do Not Need to Match: Buffered Packets Hijacking in SDN." In Proc. of the Network and Distributed System Security Symposium (NDSS 2020), San Diego, CA, USA, February 2020. (Top Security Conference, Acceptance Ratio: 17.4%=88/506, CCF B )
  • Jiahao Cao, Qi Li, Renjie Xie, Kun Sun, Guofei Gu, Mingwei Xu, and Yuan Yang. "The CrossPath Attack: Disrupting the SDN Control Channel via Shared Links." In Proc. of the 28th USENIX Security Symposium (USENIX Security 2019), Santa Clara, CA, USA, August 2019 (Top Security Conference, Student Travel Grant, First Round Acceptance Ratio: 9.8%=25/254, Total Acceptance Ratio:15.27%=113/740, CCF A, First Round Acceptance)
  • Jiahao Cao, Zijie Yang, Kun Sun, Qi Li, Mingwei Xu, and Peiyi Han, “Fingerprinting SDN Applications via Encrypted Control Traffic.” In Proc. of the 22nd International Symposium on Research in Attacks, Intrusions and Defenses (RAID 2019), Beijing, China, September 2019. (Acceptance ratio: 22.28%=37/166, CCF B )
  • Jiahao Cao, Kun Sun, Qi Li, Mingwei Xu, Zijie Yang, Kyung Joon Kwak, and Jason Li, “Covert Channels in SDN: Leaking Out Information from Controllers to End Hosts.” In Proc. of the 15th International Conference on Security and Privacy in Communication Networks (SecureComm 2019), Orlando, FL, USA, October 2019. (Full Paper Acceptance ratio: 25.5%=38/149, CCF C )
  • Jiahao Cao, Mingwei Xu, Qi Li, Kun Sun, Yuan Yang, and Jing Zheng. "Disrupting SDN via the Data Plane: A Low-Rate Flow Table Overflow Attack." In Proc. of the 13th EAI International Conference on Security and Privacy in Communication Networks (SecureComm), Niagara Falls, Canada, October 2017. (Best Paper Award, CCF C)
  • Shengsheng Yao, Mingwei Xu, Qi Li, Jiahao Cao, and Qiyang Song. "cSFC: Building Credible Service Function Chain on the Cloud." In the 2019 IEEE Global Communications Conference (GLOBECOM), Hawaii, USA, December 2019. (CCF C)
  • Renjie Xie, Mingwei Xu, Jiahao Cao, and Qi Li. "SoftGuard: Defend against the Low-Rate TCP Attack in SDN." In Proc. of the 53rd IEEE International Conference on Communications (ICC), Shanghai, China, May 2019. (CCF C)
  • Zheng Liu, Mingwei Xu, Jiahao Cao, and Qi Li. "TSA: A Two-phase Scheme against Amplification DDoS Attack in SDN." In Proc. of the 13th International Conference on Mobile Ad-Hoc and Sensor Networks (MSN), Beijing, China, December 2017. (CCF C)
Journal Paper
  • Qiyang Song, Zhuotao Liu, Jiahao Cao, Kun Sun, Qi Li, and Cong Wang. "SAP-SSE: Protecting Search Patterns and Access Patterns in Searchable Symmetric Encryption." To Appear In IEEE Transactions on Information Forensics & Security (TIFS), 2020. (CCF A)
  • Jing Zheng, Qi Li, Guofei Gu, Jiahao Cao, David K.Y. Yau, and Jianping Wu. "Realtime DDoS Defense Using COTS SDN Switches via Adaptive Correlation Analysis." In IEEE Transactions on Information Forensics & Security (TIFS), vol. 13, no. 7, pp. 1838-1853, 2018. (CCF A)
  • Peiyi Han, Chuanyi Liu, Jiahao Cao, Shaoming Duan, Hezhong Pan, Zekun Cao, and Bingxing Fang. "CloudDLP: Transparent and Scalable Data Sanitization for Browser-based Cloud Storage." In IEEE Access, vol. 8, pp. 68449-68459, 2020.
Book Chapter
  • Qi Li, Jiahao Cao, Mingwei Xu, and Kun Sun, “Flow Table Overflow Attacks.” In Encyclopedia of Wireless Networks, Xuemin (Sherman) Shen, Xiaodong Lin, and Kuan Zhang (Eds.), Springer.

Professional Activities

TPC member
  • IEEE Globecom 2021
  • IEEE Globecom 2020
  • IEEE Globecom 2019
Journal Reviewer
  • IEEE Transactions on Information Forensics and Security (TIFS)
  • IEEE/ACM Transactions on Networking (ToN)
  • Computers & Security
  • IEEE Transactions on Network and Service Management (TNSM)
  • Future Generation Computer Systems (FGCS)
  • IEEE Access
  • SCIENCE CHINA Information Sciences
  • International Journal of Security and Networks (IJSN)
External/Sub Reviewer
  • DSN, 2020
  • NDSS, 2020
  • AsiaCCS, 2020
  • IEEE INFOCOM, 2018, 2020
  • ACM CCS, 2019
  • ACM ACSAC, 2019
  • ICICS, 2019
  • IEEE ICDCS, 2018~2019
  • IEEE CNS, 2019~2020
  • IEEE/ACM IWQoS, 2017~2019
  • IEEE ICC, 2018

Awards & Scholarships

  • Shuimu Tsinghua Scholar, 2021 (清华大学“水木学者”)
  • Excellent Ph.D. Graduate in Department of CST, Tsinghua University, 2020 (清华大学计算机系优秀博士毕业生)
  • Student Travel Grant of USENIX Security '19 (2019)
  • Tsinghua-Sohu Scholarship for Excellent Students (2019) (“清华之友—搜狐研发”奖学金)
  • Best Paper Award in the SecureComm conference (2017) (唯一最佳论文)
  • National Scholarship for outstanding undergraduates (2012) (国家奖学金)

Teaching Assistant

  • 70240023 Computer network Architecture: Fall 2017
  • 40240882 Specialized Training of Computer Networks: Spring 2016, Spring 2017
  • 40240513 Principles of Computer Network:Fall 2016

Conferences in Focus for Me